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authorJiri Kosina <jkosina@suse.cz>2011-09-15 15:08:05 +0200
committerJiri Kosina <jkosina@suse.cz>2011-09-15 15:08:18 +0200
commite060c38434b2caa78efe7cedaff4191040b65a15 (patch)
tree407361230bf6733f63d8e788e4b5e6566ee04818 /include/linux/shm.h
parent10e4ac572eeffe5317019bd7330b6058a400dfc2 (diff)
parentcc39c6a9bbdebfcf1a7dee64d83bf302bc38d941 (diff)
Merge branch 'master' into for-next
Fast-forward merge with Linus to be able to merge patches based on more recent version of the tree.
Diffstat (limited to 'include/linux/shm.h')
-rw-r--r--include/linux/shm.h7
1 files changed, 7 insertions, 0 deletions
diff --git a/include/linux/shm.h b/include/linux/shm.h
index eca6235a46c..92808b86703 100644
--- a/include/linux/shm.h
+++ b/include/linux/shm.h
@@ -95,6 +95,9 @@ struct shmid_kernel /* private to the kernel */
pid_t shm_cprid;
pid_t shm_lprid;
struct user_struct *mlock_user;
+
+ /* The task created the shm object. NULL if the task is dead. */
+ struct task_struct *shm_creator;
};
/* shm_mode upper byte flags */
@@ -106,6 +109,7 @@ struct shmid_kernel /* private to the kernel */
#ifdef CONFIG_SYSVIPC
long do_shmat(int shmid, char __user *shmaddr, int shmflg, unsigned long *addr);
extern int is_file_shm_hugepages(struct file *file);
+extern void exit_shm(struct task_struct *task);
#else
static inline long do_shmat(int shmid, char __user *shmaddr,
int shmflg, unsigned long *addr)
@@ -116,6 +120,9 @@ static inline int is_file_shm_hugepages(struct file *file)
{
return 0;
}
+static inline void exit_shm(struct task_struct *task)
+{
+}
#endif
#endif /* __KERNEL__ */